createRenderer method
Create the spline area series renderer.
Implementation
@override
SplineAreaSeriesRenderer<T, D> createRenderer() {
SplineAreaSeriesRenderer<T, D> seriesRenderer;
if (onCreateRenderer != null) {
seriesRenderer =
onCreateRenderer!(this) as SplineAreaSeriesRenderer<T, D>;
return seriesRenderer;
}
return SplineAreaSeriesRenderer<T, D>();
}